In France, as in other European countries, transport infrastructure projects must include ecological compensation to offset their negative impacts on the environment. These measures often involve the creation of new habitat patches to replace those destroyed by the construction of the infrastructure. But how do we know where these new habitat patches should be placed? Currently, landscape managers lack guidance for answering this question. An empirical approach based on experts' opinions is often used because they have specific knowledge of the field and of local ecological processes. But for animal populations living in fragmented habitats and which are highly dependent on fluxes between patches, the search for such locations must include regional-scale connectivity in order to maintain their viability.